Home / 14,955.51-20,638.71-8,582.37

Finding the Fourth Proportional to 14,955.51, 20,638.71 and 8,582.37

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Solution

The fourth proportional to 14,955.51, 20,638.71 and 8,582.37 is: 11,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.51 : 20,638.71 = 8,582.37 : x
  2. Step 2: Convert to fraction form
    14,955.51/20,638.71 = 8,582.37/x
  3. Step 3: Cross multiply
    14,955.51x = 20,638.71 × 8,582.37
  4. Step 4: Simplify right side
    14,955.51x = 177,129,045.54
  5. Step 5: Solve for x
    x = 177,129,045.54/14,955.51
  6. Step 6: Final answer
    x = 11,843.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.